M42 First Light (greenbbs)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Great Nebula in Orion · M 42 · M 43 · NGC 1976 · NGC 1982 · The star θ1Ori · The star θ2Ori

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M42 First Light

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M42 First Light

FIRST LIGHT ALERT!!!

So, after a ton of time and only like 3 or 4 nights which were nice enough to image, I *FINALLY* got to image off my OTA for the first time.

I waited to image off the OTA until I got the Celestron f/6.3 focal reducer because imaging at f/10 on an SCT isn't exactly the greatest imaging to do, but at f/6.3, it makes a massive difference.

This is the true first light off my Celestron C6 SCT....it's been a great road to get to this!

This was 8.5 minutes of 30 second subs, shot at ISO 800 on a full frame Sony a99, registered and stacked in PixInsight, mildly stretched in PI, then finished in LR and Photoshop. Focus was acheived with a Bahnitov mask.

DETAILS:

Celestron C6 SCT, on an AVX mount. Unguided (because my guider hasn't come in yet!)

Sony A99, ISO 800, with the Celestron f/6.3 focal reducer

17 subs at 30 seconds each for a total of 8.5 minutes of integration time.

Let me know what you think. It's fairly cropped in off the original shot due to the heavy vignetting that the focal reducer creates. By cropping it as well, I removed some of the odd artifacts that I found, that i know others have found as well. This is a quantum leap from what I'd been doing off my 70-200mm f2.8 lens attached to my a6000 (which does a damn good job on it's own!).

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Basic success
Started	...
Astrometry.net job	481798
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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